pelagic trawl

简明释义

深海拖网

英英释义

例句

1.Using a pelagic trawl, we were able to collect data on fish populations.

使用深海拖网，我们能够收集到关于鱼类种群的数据。

2.Fishermen often rely on a pelagic trawl during the peak fishing season.

渔民们通常在旺季依赖于深海拖网。

3.By employing a pelagic trawl, scientists can study the behavior of mid-water fish.

通过使用深海拖网，科学家可以研究中层鱼类的行为。

4.The research team used a pelagic trawl to capture fish species in the open ocean.

研究小组使用了深海拖网来捕捉开放海域的鱼类。

5.The pelagic trawl is effective for catching tuna and other large fish in deep waters.

这种深海拖网在深水中捕捉金枪鱼和其他大型鱼类方面非常有效。

作文

The term pelagic trawl refers to a specific type of fishing gear used to catch fish that inhabit the open ocean, known as pelagic species. These species include various types of tuna, mackerel, and sardines that swim in the upper layers of the water column, away from the ocean floor. The pelagic trawl operates at different depths depending on the target species and is often deployed from large fishing vessels equipped with advanced technology to locate schools of fish. The design of the pelagic trawl typically features a large net that is opened and towed behind the boat. This net is constructed in such a way that it can capture fish without significant damage, allowing for a higher survival rate of non-target species when they are released back into the ocean. The effectiveness of a pelagic trawl lies in its ability to cover vast areas of the ocean quickly, making it a preferred method for commercial fisheries aiming to harvest large quantities of fish efficiently.One of the primary advantages of using a pelagic trawl is its versatility. Fishermen can adjust the depth of the net to target specific species based on their swimming patterns and behaviors. For example, some pelagic fish may be found near the surface during the day and deeper at night. By utilizing sonar technology, fishermen can identify the optimal depth for trawling, increasing their chances of a successful catch.However, the use of pelagic trawl also raises several environmental concerns. The indiscriminate nature of trawling can lead to bycatch, which is the capture of non-target species, including juvenile fish and marine mammals. This not only affects the populations of these species but can also disrupt the entire marine ecosystem. As a result, many countries have implemented regulations to manage and monitor the use of pelagic trawl to ensure sustainable fishing practices. In addition to the ecological impact, the economic aspects of pelagic trawl fishing cannot be overlooked. The efficiency of this method allows fishing companies to meet the high demand for seafood, especially in regions where fish consumption is a staple part of the diet. However, overfishing due to excessive reliance on pelagic trawl methods has led to declining fish stocks in some areas, prompting calls for more responsible fishing practices and the adoption of alternative methods that minimize environmental harm.To address these challenges, researchers and environmentalists advocate for the development of more selective fishing gear and techniques that reduce bycatch while still allowing for effective fishing of pelagic species. Innovations such as acoustic deterrents and modified net designs are being explored to improve the sustainability of pelagic trawl operations. Furthermore, educating fishermen about best practices and the importance of preserving marine biodiversity is crucial for the future of fisheries worldwide.In conclusion, the pelagic trawl is an essential tool in modern fishing that plays a significant role in the global seafood supply. While it offers numerous benefits, including efficiency and versatility, it also poses considerable risks to marine ecosystems. Therefore, it is imperative that we strike a balance between the economic benefits of pelagic trawl fishing and the need to protect our oceans for future generations. Sustainable practices and innovative solutions will be key in ensuring that this fishing method can coexist with the health of marine life.

pelagic trawl这个术语指的是一种特定的渔具，用于捕捉栖息在开放海洋中的鱼类，称为远洋物种。这些物种包括各种金枪鱼、鲭鱼和沙丁鱼，它们游泳在水柱的上层，远离海底。pelagic trawl根据目标物种的不同在不同深度操作，通常从配备先进技术的大型渔船上部署，以定位鱼群。pelagic trawl的设计通常具有一个大型网，在船后面打开并拖曳。这个网的构造方式使其能够捕捉鱼类而不会造成重大损害，从而提高了非目标物种被释放回海洋后的生存率。pelagic trawl的有效性在于它能够快速覆盖广阔的海洋区域，使其成为商业渔业旨在高效捕捞大量鱼类的首选方法。使用pelagic trawl的主要优点之一是其多功能性。渔民可以根据目标物种的游泳模式和行为调整网的深度。例如，一些远洋鱼类在白天可能在水面附近，而在夜间则在更深处。通过利用声纳技术，渔民可以识别出最佳的拖网深度，从而增加成功捕捞的机会。然而，使用pelagic trawl也引发了一些环境担忧。拖网的无差别性质可能导致误捕，即捕获非目标物种，包括幼鱼和海洋哺乳动物。这不仅影响这些物种的种群，还可能破坏整个海洋生态系统。因此，许多国家已实施法规，以管理和监测pelagic trawl的使用，以确保可持续的捕鱼实践。除了生态影响之外，pelagic trawl捕鱼的经济方面也不容忽视。这种方法的效率使渔业公司能够满足对海鲜的高需求，尤其是在鱼类消费是饮食主食的地区。然而，由于过度依赖pelagic trawl方法，某些地区的过度捕捞导致鱼类资源下降，促使人们呼吁采取更负责任的捕鱼实践和采用减少环境危害的替代方法。为了解决这些挑战，研究人员和环保人士倡导开发更具选择性的渔具和技术，以减少误捕，同时仍能有效捕捞远洋物种。正在探索声学驱避器和改良网设计等创新，以改善pelagic trawl作业的可持续性。此外，教育渔民有关最佳实践和保护海洋生物多样性的重要性，对于全球渔业的未来至关重要。总之，pelagic trawl是现代捕鱼中一种重要工具，在全球海鲜供应中发挥着重要作用。虽然它提供了许多好处，包括效率和多功能性，但也对海洋生态系统构成了相当大的风险。因此，必须在pelagic trawl捕鱼的经济利益与保护我们海洋的需要之间找到平衡。可持续的实践和创新的解决方案将是确保这种捕鱼方法能够与海洋生物的健康共存的关键。